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If an electric current is passed …

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If an electric current is passed through potato and electric current is passed through it for some time then it would be observed there is coloured spot on the potato around one wire and no such spot around the other wire. a) State the colour of the spot b) Around which electrode the coloured spot is formed ? c) Which effect of electric current is involved in this case ?

Posted by Ananya Agrawal 2 years, 11 months ago

CBSE > Class 08 > Science

1 answers

Numaish Meena 2 years, 11 months ago

When electric current is passed through potato chemical reaction takes place inside potato. Copper and zinc is connected with potato which acts as electrode. ... Due to formation of copper ions, there is formation of greenish blue spot around copper (positive) electrode

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